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EP0904794A3 - Automatic bellows refill - Google Patents

Automatic bellows refill Download PDF

Info

Publication number
EP0904794A3
EP0904794A3 EP98850147A EP98850147A EP0904794A3 EP 0904794 A3 EP0904794 A3 EP 0904794A3 EP 98850147 A EP98850147 A EP 98850147A EP 98850147 A EP98850147 A EP 98850147A EP 0904794 A3 EP0904794 A3 EP 0904794A3
Authority
EP
European Patent Office
Prior art keywords
refill
circuit
fresh gas
patient
leak
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP98850147A
Other languages
German (de)
French (fr)
Other versions
EP0904794A2 (en
EP0904794B1 (en
Inventor
Robert Q. Tham
Todd Keitel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Datex Ohmeda Inc
Original Assignee
Ohmeda Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ohmeda Inc filed Critical Ohmeda Inc
Publication of EP0904794A2 publication Critical patent/EP0904794A2/en
Publication of EP0904794A3 publication Critical patent/EP0904794A3/en
Application granted granted Critical
Publication of EP0904794B1 publication Critical patent/EP0904794B1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/10—Preparation of respiratory gases or vapours
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
    • A61M16/22—Carbon dioxide-absorbing devices ; Other means for removing carbon dioxide

Landscapes

  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Pulmonology (AREA)
  • Engineering & Computer Science (AREA)
  • Anesthesiology (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Hematology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Confectionery (AREA)
  • Formation And Processing Of Food Products (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Percussion Or Vibration Massage (AREA)

Abstract

A system for automatically refilling the patient breathing circuit of an anesthesia system wherein the system detects the existence of a large leak in the patient breathing system and reduces the flow of the fresh gas to the patient circuit to minimize the amount of gas that is vented to the atmosphere. As the leak is corrected, the system automatically detects that the leak has been alleviated and increases the fresh gas flow to a high flow to refill the patient breathing circuit in a rapid time. Upon refill, the system detects that the circuit and the system has been refilled and automatically reduces the fresh gas flow back to a lower level desired by the clinician to maintain the anesthesia. The fresh gas flow used to refill the patient circuit is the same composition of gases and anesthetic agent as initially set by the clinician.
EP98850147A 1997-09-26 1998-09-25 Automatic bellows refill Expired - Lifetime EP0904794B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US938540 1997-09-26
US08/938,540 US5857458A (en) 1997-09-26 1997-09-26 Automatic bellows refill

Publications (3)

Publication Number Publication Date
EP0904794A2 EP0904794A2 (en) 1999-03-31
EP0904794A3 true EP0904794A3 (en) 2000-01-12
EP0904794B1 EP0904794B1 (en) 2003-12-03

Family

ID=25471570

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98850147A Expired - Lifetime EP0904794B1 (en) 1997-09-26 1998-09-25 Automatic bellows refill

Country Status (4)

Country Link
US (1) US5857458A (en)
EP (1) EP0904794B1 (en)
AT (1) ATE255443T1 (en)
DE (1) DE69820188T2 (en)

Families Citing this family (48)

* Cited by examiner, † Cited by third party
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KR100481207B1 (en) * 1997-03-19 2005-04-07 조셉 에이. 피셔 Elimination of vapour anaesthetics from patients after surgical procedures
US6213120B1 (en) * 1997-08-21 2001-04-10 Instrumentarium Corporation Device and method for determining gas volume and volumetric changes in a ventilator
SE0000205D0 (en) * 2000-01-25 2000-01-25 Siemens Elema Ab ventilator
FR2858236B1 (en) * 2003-07-29 2006-04-28 Airox DEVICE AND METHOD FOR SUPPLYING RESPIRATORY GAS IN PRESSURE OR VOLUME
US20060191535A1 (en) * 2005-02-25 2006-08-31 The Nemours Foundation Treatment of decompression sickness with inhaled nitric oxide gas
DE102005023393B4 (en) * 2005-05-20 2007-02-15 Dräger Safety AG & Co. KGaA Compressed air breathing apparatus
DE102006027052B3 (en) * 2006-06-10 2007-08-09 Dräger Medical AG & Co. KG Method for determination of consumption level of anesthetic substance, comprises use of data about all flows moving through respirator system
US20080035148A1 (en) * 2006-08-09 2008-02-14 Fuhrman Bradley P Device And Method Of Isolating Bias Flow Using Partition Position
DE102007019487B3 (en) * 2007-04-25 2008-04-10 Dräger Medical AG & Co. KG Modular breathing system for patient, has stationary parts detachably attaching breathing module, and detachable connection interface for data, electrical energy and inhaled gas attached to stationary parts receiving module
US8457706B2 (en) 2008-05-16 2013-06-04 Covidien Lp Estimation of a physiological parameter using a neural network
EP2168623B1 (en) * 2008-09-26 2011-09-21 General Electric Company Arrangement for detecting a leak in anesthesia system
US8302602B2 (en) 2008-09-30 2012-11-06 Nellcor Puritan Bennett Llc Breathing assistance system with multiple pressure sensors
US8434479B2 (en) * 2009-02-27 2013-05-07 Covidien Lp Flow rate compensation for transient thermal response of hot-wire anemometers
CN102573975B (en) * 2009-05-13 2015-04-22 马奎特紧急护理公司 Anesthetic breathing apparatus having volume reflector unit with controllable penetration
GB0908523D0 (en) 2009-05-19 2009-06-24 Art Of Xen Ltd Ventilator apparatus
CN101966361B (en) * 2009-07-28 2014-04-02 北京谊安医疗系统股份有限公司 Apnea alarm method and device for anaesthesia machine
JP5360897B2 (en) * 2009-08-28 2013-12-04 泉工医科工業株式会社 Anesthesia system and method of operating anesthesia system
NL1037372C2 (en) * 2009-10-07 2011-04-11 Alcmair Partners B V METHOD AND DEVICE FOR BREATHING PATIENTS.
US8439036B2 (en) 2009-12-01 2013-05-14 Covidien Lp Exhalation valve assembly with integral flow sensor
US8469030B2 (en) 2009-12-01 2013-06-25 Covidien Lp Exhalation valve assembly with selectable contagious/non-contagious latch
US8469031B2 (en) * 2009-12-01 2013-06-25 Covidien Lp Exhalation valve assembly with integrated filter
US8439037B2 (en) * 2009-12-01 2013-05-14 Covidien Lp Exhalation valve assembly with integrated filter and flow sensor
US20110126832A1 (en) * 2009-12-01 2011-06-02 Nellcor Puritan Bennett Llc Exhalation Valve Assembly
USD655405S1 (en) 2010-04-27 2012-03-06 Nellcor Puritan Bennett Llc Filter and valve body for an exhalation module
USD655809S1 (en) 2010-04-27 2012-03-13 Nellcor Puritan Bennett Llc Valve body with integral flow meter for an exhalation module
USD653749S1 (en) 2010-04-27 2012-02-07 Nellcor Puritan Bennett Llc Exhalation module filter body
US20120060835A1 (en) * 2010-09-13 2012-03-15 General Electric Company Anesthesia system and method
US9629971B2 (en) 2011-04-29 2017-04-25 Covidien Lp Methods and systems for exhalation control and trajectory optimization
US20130019867A1 (en) * 2011-07-20 2013-01-24 General Electric Company Anesthesia machine and system
CN103071219A (en) * 2011-10-25 2013-05-01 北京航天长峰股份有限公司 Gas circuit structure for anesthesia respirator
CN103071220A (en) * 2011-10-25 2013-05-01 北京航天长峰股份有限公司 Anaesthesia and respiration system with fixed volume chamber
US9364624B2 (en) 2011-12-07 2016-06-14 Covidien Lp Methods and systems for adaptive base flow
US9498589B2 (en) 2011-12-31 2016-11-22 Covidien Lp Methods and systems for adaptive base flow and leak compensation
DE102012003549A1 (en) * 2012-02-23 2013-08-29 Dräger Medical GmbH Device for mechanical ventilation of patient, has gas-carrying bypass unit, by which gas outlet and gas inlet are coupled with each other for bypassing gas delivery device, where plasma generator is coupled in bypassed gas delivery device
US9144658B2 (en) 2012-04-30 2015-09-29 Covidien Lp Minimizing imposed expiratory resistance of mechanical ventilator by optimizing exhalation valve control
CN103900840A (en) * 2012-12-28 2014-07-02 北京谊安医疗系统股份有限公司 Detection method and detection device for anesthesia machine controlled leakage and compliance test pipelines
USD731049S1 (en) 2013-03-05 2015-06-02 Covidien Lp EVQ housing of an exhalation module
USD701601S1 (en) 2013-03-08 2014-03-25 Covidien Lp Condensate vial of an exhalation module
USD736905S1 (en) 2013-03-08 2015-08-18 Covidien Lp Exhalation module EVQ housing
USD693001S1 (en) 2013-03-08 2013-11-05 Covidien Lp Neonate expiratory filter assembly of an exhalation module
USD744095S1 (en) 2013-03-08 2015-11-24 Covidien Lp Exhalation module EVQ internal flow sensor
USD731065S1 (en) 2013-03-08 2015-06-02 Covidien Lp EVQ pressure sensor filter of an exhalation module
USD692556S1 (en) 2013-03-08 2013-10-29 Covidien Lp Expiratory filter body of an exhalation module
USD731048S1 (en) 2013-03-08 2015-06-02 Covidien Lp EVQ diaphragm of an exhalation module
US9950135B2 (en) 2013-03-15 2018-04-24 Covidien Lp Maintaining an exhalation valve sensor assembly
CN103977493B (en) * 2014-05-29 2016-08-17 北京航空航天大学 Can be used for the experiment porch of invasive ventilation gas leakage detection
USD775345S1 (en) 2015-04-10 2016-12-27 Covidien Lp Ventilator console
US11896767B2 (en) 2020-03-20 2024-02-13 Covidien Lp Model-driven system integration in medical ventilators

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127121A (en) * 1976-09-17 1978-11-28 University Of Utah Oxygen and anesthesia delivery and monitoring device
WO1981002677A1 (en) * 1980-03-20 1981-10-01 Berkshire Res Partners Volume ventilator
US4602653A (en) * 1984-11-01 1986-07-29 Bear Medical Systems, Inc. Electronically-controlled gas blending system
EP0592381A1 (en) * 1992-10-07 1994-04-13 Ove Mentell Anaesthesia apparatus
DE4342310A1 (en) * 1993-12-11 1995-06-14 Draegerwerk Ag Respiration system with respiration gas flow controlled by directional valves
EP0678305A1 (en) * 1994-03-24 1995-10-25 Siemens-Elema AB Breathing gas system, preferably an anaesthesia system
EP0697224A2 (en) * 1994-07-20 1996-02-21 Siemens-Elema AB Anesthesia system
WO1996041651A1 (en) * 1995-06-08 1996-12-27 University Of Wales College Of Medicine Inhalation apparatus
EP0769304A1 (en) * 1995-10-19 1997-04-23 Siemens-Elema AB Anaesthetic system
WO1999010034A1 (en) * 1997-08-21 1999-03-04 Instrumentarium Corp. Device and method for determining gas volume and volumetric changes in an anaesthesia system

Family Cites Families (7)

* Cited by examiner, † Cited by third party
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US3831595A (en) * 1972-07-25 1974-08-27 Airco Inc Respirator
US3903881A (en) * 1974-04-12 1975-09-09 Bourns Inc Respirator system and method
US5094235A (en) 1989-05-10 1992-03-10 Dragerwerk Aktiengesellschaft Anesthesia ventilating apparatus having a breathing circuit and control loops for anesthetic gas components
US5315989A (en) 1991-12-09 1994-05-31 Boc Health Care, Inc. Medical ventilator
US5398675A (en) * 1992-10-14 1995-03-21 Henkin; Melvyn L. Anesthesia rebreathing system
US5662099A (en) * 1996-03-29 1997-09-02 Ohmeda Inc. Detection of bellows collapsed condition in medical ventilator
US5806513A (en) 1996-10-11 1998-09-15 Ohmeda Inc. Method and apparatus for controlling a medical anesthesia delivery system

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127121A (en) * 1976-09-17 1978-11-28 University Of Utah Oxygen and anesthesia delivery and monitoring device
WO1981002677A1 (en) * 1980-03-20 1981-10-01 Berkshire Res Partners Volume ventilator
US4602653A (en) * 1984-11-01 1986-07-29 Bear Medical Systems, Inc. Electronically-controlled gas blending system
EP0592381A1 (en) * 1992-10-07 1994-04-13 Ove Mentell Anaesthesia apparatus
DE4342310A1 (en) * 1993-12-11 1995-06-14 Draegerwerk Ag Respiration system with respiration gas flow controlled by directional valves
EP0678305A1 (en) * 1994-03-24 1995-10-25 Siemens-Elema AB Breathing gas system, preferably an anaesthesia system
EP0697224A2 (en) * 1994-07-20 1996-02-21 Siemens-Elema AB Anesthesia system
WO1996041651A1 (en) * 1995-06-08 1996-12-27 University Of Wales College Of Medicine Inhalation apparatus
EP0769304A1 (en) * 1995-10-19 1997-04-23 Siemens-Elema AB Anaesthetic system
WO1999010034A1 (en) * 1997-08-21 1999-03-04 Instrumentarium Corp. Device and method for determining gas volume and volumetric changes in an anaesthesia system

Also Published As

Publication number Publication date
US5857458A (en) 1999-01-12
ATE255443T1 (en) 2003-12-15
DE69820188T2 (en) 2004-08-12
EP0904794A2 (en) 1999-03-31
DE69820188D1 (en) 2004-01-15
EP0904794B1 (en) 2003-12-03

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